Now showing items 1-2 of 2

    • Isotopic composition of maize as related to N-fertilization and irrigation in the Mediterranean region 

      Lasa Larrea, Berta; Irañeta, Iosu; Muro Erreguerena, Julio Upna; Irigoyen Iriarte, Ignacio Upna; Aparicio Tejo, Pedro María Upna (Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, 2011)   Artículo / Artikulua  OpenAccess
      Nitrate leaching as a result of excessive application of N-fertilizers and water use is a major problem of vulnerable regions. The farming of maize requires high N fertilization and water inputs in Spain. Isotopic ...
    • Watering or buffering? Runoff and sediment pollution control from furrow irrigated fields in arid environments 

      Campo-Bescós, Miguel Ángel Upna; Muñoz Carpena, Rafael; Kiker, Gregory A.; Bodah, Brian W.; Ullman, Jeffrey L. (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      Surface irrigated agriculture in arid and semi-arid regions contributes to downstream environmental degradation. Changes in irrigation system operational scenarios (ISOS) can represent an economic alternative to reduce ...